		* {
			margin: 0;
			padding: 0;
		}
		body {
			box-sizing: border-box;
			padding: 20px;
			background-color: #000;
		}
		#box {
			background-color: #FFF;
			padding: 20px 10px;
			border-radius: 5px;
			box-sizing: border-box;
		}
		li {
			list-style: none;
			border: 1px solid blue;
			box-sizing: border-box;
			margin: 5px 0;
			padding: 5px 10px;
			border-radius: 5px;
			color: #333;
		}
		#ipt {
			border-radius: 5px;
			box-sizing: border-box;
			padding: 10px;
			width: 100%;
			font-size: 16px;
			font-weight: 700;
			outline: none;
		}
		#btn {
			font-weight: 600;
			margin-top: 15px;
			background-color: #fff;
			border: 1px solid #666;
			width: 100%;
			padding: 10px;
			border-radius: 5px;
			font-size: 20px;
			cursor: pointer;
			transition: .3s;
			margin-bottom: 25px;
		}
		#btn:hover {
			color: #c00000;
			border-color: #c00000;
		}